225=8(8+7x)-7

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Solution for 225=8(8+7x)-7 equation:


Simplifying
225 = 8(8 + 7x) + -7
225 = (8 * 8 + 7x * 8) + -7
225 = (64 + 56x) + -7

Reorder the terms:
225 = 64 + -7 + 56x

Combine like terms: 64 + -7 = 57
225 = 57 + 56x

Solving
225 = 57 + 56x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-56x' to each side of the equation.
225 + -56x = 57 + 56x + -56x

Combine like terms: 56x + -56x = 0
225 + -56x = 57 + 0
225 + -56x = 57

Add '-225' to each side of the equation.
225 + -225 + -56x = 57 + -225

Combine like terms: 225 + -225 = 0
0 + -56x = 57 + -225
-56x = 57 + -225

Combine like terms: 57 + -225 = -168
-56x = -168

Divide each side by '-56'.
x = 3

Simplifying
x = 3

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